GMC Sonoma II (1994-2004) blu Wiring diagrams

1-2 SHIFT SOL TCC PWM SOL 3-2 SHIFT SOL 2-3 SHIFT SOL ABS FUSE 22 ANTI-LOCK BRAKES SYSTEM AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION FLUID PRESSURE (TFP) MANUAL VALVE POSITION SWITCH BARE BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/WHT WIRE CLSTR FUSE 11 CRUISE CONTROL SYSTEM DK BLU WIRE DK GRN WIRE ECM I FUSE ENGINE COOLANT TEMPERATURE (ECT) SENSOR (FRONT OF ENGINE, IN COOLANT PIPING) FUEL COMPOSITION SENSOR GAUGES FUSE 4 GRY WIRE HOT AT ALL TIMES HOT IN HOT IN OFF, RUN OR START HOT IN RUN OR START I/P FUSE BLOCK (ON LEFT END OF DASH) INSTRUMENT CLUSTER INSTRUMENT PANEL CLUSTER (IPC) LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MIL (SERVICE ENGINE SOON IND) ORG/ WIRE P/N PARK/NEUTRAL POSITION SWITCH (ON LEFT SIDE OF TRANSMISSION) PNK PNK WIRE PNK WIRE POWERTRAIN CONTROL MODULE (PCM) (ON RIGHT FRONT OF ENGINE COMPT) PPL PPL DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) PPL PPL PPL/WHT WIRE PRESSURE CONTROL SOLENOID VALVE RED WIRE RED/BLK WIRE REV RUN WIRE SOLID STATE SPLICE PACK STOPLIGHT SWITCH (ON BRAKE PEDAL SUPPORT BRACKET) TAN WIRE TAN/BLK WIRE TCC SOL THROTTLE POSITION (TP) SENSOR (ON THROTTLE BODY ASSEMBLY) TRANSMISSION FLUID TEMPERATURE SENSOR UNDERHOOD FUSE BLOCK (ON TOP OF LEFT FRONT FENDER) ECM B FUSE VEHICLE SPEED SENSOR (VSS) (ON RIGHT REAR OF TRANSMISSION) WHT WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE BLU WIRE BODY RELAY BLOCK DK BLU WIRE DK DK DK GRN WIRE DRIVER SEAT ADJUSTER SWITCH DRIVER SEAT FRONT VERTICAL MOTOR DRIVER SEAT HORIZONTAL MOTOR DRIVER SEAT REAR VERTICAL MOTOR DRIVER SEAT RECLINER MOTOR FRONT PASSENGER SEAT ADJUSTER SWITCH FRONT PASSENGER SEAT FRONT VERTICAL MOTOR FRONT PASSENGER SEAT HORIZONTAL MOTOR FRT DN REAR UP FRT UP BACK GRN WIRE HOT AT ALL TIMES POWER SEATS CIRCUIT BREAKER LT BLU WIRE LT DK LT GRN WIRE LT LT LT LT DK ORG/ WIRE REAR DN RECL FWD REAR DN RECL FWD RECL RWD REAR UP FRT DN RECL RWD TAN WIRE YEL WIRE

BLK WIRE BLU WIRE BODY CONTROL MODULE (UNDER DASH, ON HEATER CASE) BODY RELAY BLOCK (BEHIND LEFT SIDE OF DASH) BRN WIRE CENTER HIGH MOUNT STOP LAMP RIGHT REAR PARK/ TURN SIGNAL LAMP DK DK DK LT FR PRK FUSE FROM TR CHMSL (DIAGRAM 1 OF 1) GRN WIRE GRY WIRE HAZ LP FUSE HAZARD NORMAL HAZARD, TURN PWR HEADLAMP SWITCH HIGHT MOUNT STOP LAMP RELAY HOT AT ALL TIMES HOT IN RUN OR START I/P FUSE BLOCK (LEFT SIDE OF DASH) TURN FUSE I/P FUSE BLOCK (LEFT SIDE OF DASH, LEFT FRONT MARKER LAMP LEFT FRONT PARK/ TURN SIGNAL LAMP LEFT REAR MARKER LAMP LEFT REAR PARK/ TURN SIGNAL LAMP LEFT TURN IN LEFT TURN IND RIGHT TURN IND LT BLU WIRE LT DK LT INSTRUMENT CLUSTER LT LT LT PNK WIRE LT TRN (REAR) FUSE LT TURN FUSE MULTI- FUNCTION SWITCH NCA WIRE OFF HEAD ORG/ WIRE OTHER PARK PARK LAMP RELAY PARK LP FUSE PNK WIRE PPL PPL FLSHR OUT PRK LP FUSE 18 RIGHT FRONT MARKER LAMP RIGHT FRONT PARK/ TURN SIGNAL LAMP RIGHT LEFT RIGHT LICENSE LAMP RIGHT REAR MARKER LAMP LEFT LICENSE LAMP RIGHT TURN IN PARK RLY CTRL RR PRK FUSE LR PRK FUSE RT TRN (REAR) FUSE VEH CHMSL FUSE RT TURN FUSE STOP LP FUSE STOPLAMP SWITCH (ON BRAKE PEDAL SUPPORT BRACKET) TO HIGH MOUNT STOP LAMP RELAY (DIAGRAM 1 OF 1) TR CHMSL FUSE TRAILER WIRING PROVISION UNDERHOOD FUSE BLOCK (TOP OF LEFT FRONT FENDER) W/O PWR LOCKS WHT WIRE YEL WIRE YEL/BLK WIRE

4.3L A/C COMPRESSOR CLUTCH RELAY A/C FUSE RR W/W FUSE ATC FUSE AUTOMATIC TRANSMISSION SHIFT LOCK SOLENOID (W/ FLOOR SHIFT A/T) BLK WIRE BLU WIRE BODY CONTROL MODULE REMOTE CONTROL DOOR LOCK RECEIVER BODY RELAY BLOCK CENTER HIGH MOUNTED STOP LAMP CRUISE CONTROL MODULE DAYTIME RUNNING LAMPS (DRL) RELAY DK BLU WIRE DK GRN WIRE DOME HIGH MOUNT STOP LAMP RESISTOR DRIVER OUTSIDE REAR VIEW MIRROR REAR WINDOW DEFOGGER GRID DRIVER SEAT HEATER MODULE DRIVER SEAT LUMBAR SWITCH FROM ATC FUSE (DIAGRAM 4 OF 5) FROM HI BEAM FUSE (DIAGRAM 3 OF 5) FROM IGNITION SWITCH FRONT PASSENGER SEAT HEATER MODULE FRONT PASSENGER SEAT LUMBAR SWITCH HEADLAMP POWER RELAY HIGH MOUNT STOP LAMP HIGH MOUNT STOP LAMP RELAY (PICKUP) HORN (A NOTE) HORN (F NOTE) HORN FUSE HORN RELAY HTD MIR FUSE RR DEFOG FUSE HTD SEAT FUSE I/P FUSE BLOCK CLSTR FUSE 11 INSTRUMENT PANEL CLUSTER (IPC) LEFT LOW BEAM HEADLAMP RIGHT LOW BEAM HEADLAMP LIFT- GLASS RELAY (UTILITY) LT BLU WIRE LT HDLP FUSE RT HDLP FUSE LT LT MIR/LKS FUSE MULTI- FUNCTION SWITCH (FLASH TO PASS) MULTIFUNCTION SWITCH (UTILITY) NCA WIRE ORG/ WIRE OUTSIDE REAR VIEW MIRROR SWITCH DRIVER DOOR LOCK/ SIDE WINDOW SWITCH PASSENGER OUTSIDE REAR VIEW MIRROR PNK (BODY HARN, 13 CM FROM BLOWER MOTOR BREAKOUT) PNK 2.2L WIRE PNK (ENG HARN, 20 CM FROM A/C PRESSURE SENSOR BREAKOUT) PNK PNK WIRE PNK PNK WIRE PNK WIRE POWERTRAIN CONTROL MODULE (PCM) AUTOMATIC TRANSMISSION PPL PPL PPL PPL ESTC REAR DEFOGGER RELAY (UTILITY) REAR WINDOW WIPER MOTOR RIGHT HIGH BEAM HEADLAMP STOP LP FUSE STOPLAMP SWITCH TBC FUSE TO A/C FUSE (DIAGRAM 4 OF 5) TRAILER WIRING PROVISIONS TRANSFER CASE ENCODER MOTOR TRANSFER CASE SHIFT CONTROL MODULE TRCHMSL FUSE UNDER- HOOD FUSE BLOCK UNDER- HOOD FUSE BLOCK CRANK FUSE UTILITY VECHMSL FUSE W/ RKE WHT WIRE YEL WIRE

BLK WIRE BLU WIRE BODY RELAY BLOCK (BEHIND LEFT SIDE OF DASH, NEAR I/P FUSE BLOCK) BRN WIRE DK BLU WIRE DK GRN WIRE DK LT DK PPL DN ILLUM DRIVER DOOR LOCK DRIVER WINDOW MOTOR EXPRESS DOWN MODULE FRONT PASSENGER DOOR LOCK, WINDOW SWITCH FRONT PASSENGER WINDOW MOTOR GRN WIRE HOT IN ACC, RUN, RETAINED ACC POWER HOT W/HEADLAMP SWITCH IN PARK OR HEAD POSITION I/P FUSE BLOCK (ON LEFT END OF DASH) ILLUM ILLUM DN LEFT FRONT WINDOW SWITCH LEFT REAR SIDE WINDOW REGULATOR MOTOR LEFT REAR WINDOW SWITCH LT BLU WIRE LT GRN WIRE PARK LP FUSE 5 POWER WINDOW CIRCUIT BREAKER PPL RIGHT REAR SIDE WINDOW REGULATOR MOTOR RIGHT REAR WINDOW SWITCH TAN WIRE UP DN WINDOW LOCKOUT SWITCH WINDOW SWITCH

1 2 3 4 5 PPL 1-2 SHIFT SOLENOID VALVE 14 15 16 PPL 2-3 COIL CTRL 2-3 SHIFT SOLENOID VALVE 20 21 PNK WIRE 3-2 SHIFT SOLENOID VALVE 6 7 PNK WIRE 8 9 PNK WIRE AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION FLUID PRESSURE MANUAL VALVE POSITION SWITCH BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/WHT WIRE CKP SIG IGN CTRL A IGN CTRL B REF SIG CKP GND REF LOW COIL POS 1-4 COIL CTRL CRANKSHAFT POSITION SENSOR (BELOW IGNITION COIL) DK BLU WIRE DK GRN/WHT WIRE ENGINE COOLANT TEMPERATURE SENSOR (FRONT OF ENGINE) FUEL COMPOSITION SENSOR (TOP RIGHT OF TRANSMISSION) FUEL INJECTORS GRY WIRE IGN GND IGNITION CONTROL MODULE (RIGHT REAR OF ENG) LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE OXYGEN SENSOR (BANK 1 SENSOR 1) (IN EXHAUST MANIFOLD) PNK 12 13 WIRE PNK 239 451 WIRE PNK WIRE PNK/BLK WIRE POSITION SIGNAL PPL PPL 12 13 PPL 574 423 406 430 573 453 PPL PNK REF SIG CTRL IGN FUEL COMP TEMP SIG WIRE PPL/WHT WIRE PRESSURE CONTROL SOLENOID VALVE RED WIRE RED/BLK WIRE SHIELD TAN WIRE TAN/BLK WIRE TO SPARK PLUGS TORQUE CONVERTER CLUTCH PWM SOLENOID VALVE TORQUE CONVERTER CLUTCH SOLENOID VALVE TRANSMISSION FLUID TEMPERATURE SENSOR TWISTED WIRE PAIR VEHICLE SPEED SENSOR (REAR OF TRANSMISSION) WHT WIRE YEL WIRE YEL/BLK WIRE

1-2 SHIFT SOL 2-3 SHIFT SOL AUTOMATIC TRANSMISSION BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE CENTRAL SEQUENTIAL FUEL INJECTION DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ECM I FUSE ENG-I FUSE EVAPORATIVE EMISSION CANISTER PURGE SOLENOID (TOP RIGHT CENTER OF ENGINE) EVAPORATIVE EMISSION CANISTER VENT SOLENOID (REAR OF FUEL TANK) FUEL INJ 1 FUEL INJ 4 FUEL INJ 2 FUEL INJ 5 FUEL INJ 3 FUEL INJ 6 GRY WIRE HOT IN RUN OR START LO SW LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE ORG/ WIRE OXYGEN FUSE PNK 25 26 27 28 WIRE PNK 7 8 WIRE PNK PNK PNK 1 2 3 4 5 6 WIRE PNK WIRE PNK/BLK WIRE PPL LT 3-2 CONTROL SOL PRESSURE CONTROL SOLENOID VALVE RED WIRE RED/BLK WIRE REV SW AUTOMATIC TRANSMISSION FLUID PRESSURE MANUAL VALVE POSITION SWITCH TAN WIRE TAN/BLK WIRE TCC PWM SOL TCC SOL TRANSMISSION FLUID TEMPERATURE SENSOR UNDER- HOOD FUSE BLOCK WHT WIRE YEL WIRE YEL/BLK WIRE